*{
    margin: 0;
    padding: 0;
    list-style: none;
}

html,body{
    height:100%;
}
body{
    background-color: #f4f5f9;
}
.header{
    width: 100%;
    height: 68px;
    background-color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    box-shadow: 2px 2px 10px 2px rgba(0, 0, 0, 0.5);
    z-index: 100;
    padding-left: 250px;
    padding-top: 13px;
    padding-right: 20px;

}
.left{
    float: left;
    cursor: pointer;
}
.right{
    float: right;
}
.center{
    margin-right: 100px;
    float: right;
    widows: 276px;
    height: 35px;
    background: #eef1f5;
    border-radius: 30px;

}
.center input{
    border: 0;
    background: #eef1f5;
    outline: none;
    height: 30px;
    border-radius:30px ;
    padding-left: 10px;
    box-sizing: border-box;
}
.slidebar {
    width: 220px;
    height: 100%;
    background-color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    box-shadow: 2px 2px 10px 2px rgba(0, 0, 0, 0.5);
    z-index: 101;
    transition: transform 0.4s;
}

.slidebar .top {
    width: 100%;
    height: 60px;
    background: #438AFE;
}

.slidebar .top h2 {
    margin: 0;
    text-align: center;
    font-size: 26px;
    color: #fff;
    padding-top: 20px;
}

.slidebar .menu {
    color: #000;
    font-size: 20px;
    padding-left: 20px;
    padding-top: 20px;
    box-sizing: border-box;
}

.slidebar .menu li {
    padding: 10px 0;
    cursor: pointer;
}

.slidebar .menu li span {
    width: 30px;
    height: 30px;
    display: inline-block;
    vertical-align: middle;
    background: url("images/icon1.png") no-repeat;
    margin-right: 10px;
}

@media screen and (max-width:1024px) {
    .slidebar {
        transform: translateX(-100%);
    }
}